TM 9-2330-356-14
c.
b.
Inspection. Remove objects
such as
nails or glass.
Repair. Refer to TM 9-2610-200-24 for
Check for apparent loss of air, unusual wear, or missing
instructions on dismounting, repair, and mounting of tire
valve caps. Replace as required.
and tube on rim.
Section XIV. MAINTENANCE OF FRAME AND TOWING ATTACHMENTS
Emergency Valve Control and Cable
(4) Cheek that emergency valve will open and
close when control handle of valve operator A is operated.
a.
Cleaning and Inspection.
(5) Pull on valve operator A to open emergency
valve. Check that pulling on the emergency valve shut-off
handle will close the emergency valve.
WARNING
(6) Repeat steps (1) through (5) if cables do not
Dry cleaning solvent P-D-680 Is toxic and
function properly.
flammable. Always wear protective goggles
and gloves, and use only In a well-ventilated
d.
Removal. Tag and disconnect control cables from
area. Avoid contact with skin, eyes, and
the emergency valve control. Remove two capscrews and
clothes, and DO NOT breathe vapors. DO
nuts that secure control to side of cabinet. Remove valve
NOT use near open flame or excessive heat.
control.
The solvent's flash point is 100F-138F
(38C-59C). If you become dizzy while us-
e.
Disassembly and Assembly (Fig. 4-90).
ing cleaning solvent, Immediately get fresh
air and medical help. If solvent contacts eyes,
immediately wash your eyes with water and
(9) to bracket (7).
get medical aid.
(2) Remove shaft (9). Remove lever (1) and the
trip bar assembly (10).
(1) Clean control handle of valve operator A and
connecting parts, cable and emergency valve with dry
(3) Remove cotter pin (12) and clevis pin (13) that
secures offset link (2) to handle(l). Remove offset link(2).
(2) Inspect for cracks in control handle, frayed
cables, loose U-bolts, loose or bent cable runways, cotter
pins, and control mounting bolts.
(5) Reassemble by reversing steps (1) through
(4).
Service.
b.
Installation.
(1) Tighten any loose U-bolt c-able connectors,
f.
adjusting bolts, and bracket mounting bolts at each end of
(1) Mount emergency valve control in place
cable. Adjust if necessary.
using two nuts and capserews.
(2) Lubricate all linkage.
(2) Reconnect the cables and adjust (step c).
Adjustment.
c.
4-52. Upper
Coupler/Kingpin Assembly
(1) Ensure that control handle of valve operator
a.
Service.
A is pushed in and that the emergency valve is closed. Pull
on handle of the emergency valve shutoff at front curbside
(1) Remove dust, dirt, and old grease from
of semitrailer to maintain shutoff handle in the open
kingpin.
position.
(2) Grease liberally with clean grease (item 17,
(2) Loosen U-bolt connectors to loosen cable
end connections.
(3) Remove all slack in cables, then tighten
(3) If semitrailer has a bolt-on kingpin, check
U-bolt connectors.